| Acronym | Meaning |
| WCBO | World Chess Boxing Organisation |
| RISC | Reduced Instruction Set Computer |
| MHC | Major Histocompatibility Complex |
| HALO | High Altitude Low Opening (parachute Jump) |
| UP | Ukraine (FIPS 10-4 Country Code) -Uttar Pradesh |
| ET | Estonian Language (ISO 639-1 Code) |
| ECU | Ecuador (ISO 3166 Trigram) -European Currency Unit (ancestor Of The Euro) |
| EXREP | Expeditious Repair (SM&R Code) |
| PET | Personal Electronic Transactor - Pierre Elliott Trudeau - Positron Emission Tomography (as In PET Scan) - PolyEthylene Terephthalate (plastic) -Preliminary English Test |
| TWE | Trans World Entertainment |